óCoffeeScript Cookbook

Welcome to the CoffeeScript Cookbook!

CoffeeScript recipes for the community by the community. Head over to the Contribute page and see what you can do to help out!

Don't see a recipe you want? See an entire missing chapter? Add it yourself by reading the Contributor's Guide, or request it by adding it to Wanted Recipes.

óCoffeeScript Cookbook

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Chapters Index

1. Syntax
   • Code Reuse on Client and Server
   • Comparing Ranges
   • Embedding JavaScript
   • For Loops
   • Syntax
2. Classes and Objects
   • Chaining Calls to an Object
   • Class Methods and Instance Methods
   • Class Variables and Instance Variables
   • Cloning an Object (Deep Copy)
   • Classes and Objects
   • Mixins for classes
   • Create an Object Literal if It Does Not Already Exist
   • A CoffeeScript Type Function
3. Strings
   • Capitalizing Words
   • Finding Substrings
   • Generating a Unique ID
   • Strings
   • String Interpolation
   • Lowercasing a String
   • Matching Strings
   • Repeating a String
   • Replacing Sub-Strings Within a String
   • Splitting a String
   • Trimming Whitespace from a String
   • Uppercasing a String
4. Arrays
   • Check if type of value is an Array
   • Concatenating Arrays
   • Creating a dictionary Object from an Array
   • Creating a String from an Array
   • Define Ranges Array
   • Filtering Arrays
   • Arrays
   • List Comprehensions
   • Mapping Arrays
   • Max Array Value
   • Reducing Arrays
   • Removing Duplicate Elements from Arrays
   • Reversing Arrays
   • Shuffling Array Elements
   • Testing Every Element
   • Using Arrays to Swap Variables
   • where for arrays of objects
   • Python-like Zip Function
5. Dates and Times
   • Calculate the Date of Easter Sunday
   • Calculate the Date of Thanksgiving (USA and Canada)
   • Get Days Between Two Dates
   • Finding the Last Day of the Month
   • Finding Last (or Next) Month
   • Dates and Times
   • Calculate Phase of the Moon for a Date
6. Math
   • Math Constants
   • Faster Fibonacci Algorithm
   • Fast Inverse Square Root
   • Generating Predictable Random Numbers
   • Generating Random Numbers
   • Math
   • Converting Radians and Degrees
   • A Random Integer Function
   • Working with Exponents and Logarithms
7. Functions
   • Debounce Functions
   • Functions
   • When Function Parentheses Are Not Optional
   • Recursive Functions
   • Splat Arguments
8. Metaprogramming
   • Detecting and Creating Missing Functions
   • Extending Built-in Objects
   • Metaprogramming
9. jQuery
   • AJAX
   • Callback Bindings
   • jQuery
   • Create a jQuery Plugin
10. Ajax
    • Ajax Request Without jQuery
    • Ajax
11. Regular Expressions
    • Using Heregexes
    • Regular Expressions
    • Replacing HTML Tags with HTML Named Entities
    • Replacing Substrings
    • Searching for Substrings
12. Networking
    • Basic Client
    • Basic HTTP Client
    • Basic HTTP Server
    • Basic Server
    • Bi-Directional Client
    • Bi-Directional Server
    • Networking
13. Design Patterns
    • Adapter pattern
    • Bridge Pattern
    • Builder Pattern
    • Command Pattern
    • Decorator Pattern
    • Factory Method Pattern
    • Design Patterns
    • Interpreter Pattern
    • Memento Pattern
    • Observer Pattern
    • Singleton Pattern
    • Strategy Pattern
    • Template Method Pattern
14. Databases
    • Databases
    • MongoDB
    • SQLite
15. Testing
    • Testing
    • Testing with Jasmine
    • Testing with Nodeunit